Buttermilk Potato Soup Recipe That Warms Your Soul

Updated On: October 16, 2025

There’s something incredibly comforting about a warm bowl of potato soup, especially when it’s made creamy and tangy with the addition of buttermilk. This Buttermilk Potato Soup recipe is perfect for chilly evenings, offering a delightful balance of flavors and textures that will satisfy both soup lovers and those new to this classic dish.

The buttermilk adds a subtle tang that enhances the natural earthiness of the potatoes, creating a rich, velvety base without the heaviness of cream. Whether you’re looking for a hearty lunch or a cozy dinner, this soup is simple to make and easy to customize.

Using fresh ingredients like aromatic onions, garlic, and herbs, combined with the creaminess of buttermilk, this recipe is both nourishing and delicious. It’s a fantastic way to enjoy a wholesome meal with minimal effort.

Plus, it’s naturally gluten-free and can be adapted for various dietary preferences. Let’s dive into this flavorful soup that’s sure to become a staple in your recipe collection.

Why You’ll Love This Recipe

This Buttermilk Potato Soup brings together the perfect blend of creamy texture and tangy brightness, making it stand out from traditional potato soups. Here’s why you’ll want to make it again and again:

  • Simple ingredients: No fancy or hard-to-find items are needed, just pantry staples and fresh vegetables.
  • Quick and easy: From prep to bowl in under 45 minutes, perfect for busy weeknights.
  • Healthy twist: Buttermilk lowers the fat content compared to heavy cream while adding probiotics and calcium.
  • Versatile: Easily customize with bacon, cheese, or fresh herbs to suit your taste.
  • Comfort food at its best: Thick, creamy, and warming—ideal for all seasons but especially satisfying in colder months.

Ingredients

  • 4 medium potatoes, peeled and diced (Yukon Gold or Russet work best)
  • 1 medium onion, finely chopped
  • 2 cloves garlic, minced
  • 4 cups vegetable or chicken broth
  • 1 ½ cups buttermilk, well chilled
  • 2 tablespoons butter
  • 1 teaspoon salt, or to taste
  • ½ teaspoon black pepper
  • ½ teaspoon smoked paprika (optional for a subtle smoky flavor)
  • 2 tablespoons fresh chives, chopped (plus more for garnish)
  • ½ cup shredded sharp cheddar cheese (optional for serving)

Equipment

  • Large soup pot or Dutch oven
  • Wooden spoon or silicone spatula
  • Chef’s knife
  • Cutting board
  • Measuring cups and spoons
  • Immersion blender or regular blender
  • Ladle
  • Soup bowls for serving

Instructions

  1. Prepare the vegetables: Peel and dice the potatoes into ½-inch cubes. Finely chop the onion and mince the garlic cloves.
  2. Sauté the aromatics: In your soup pot, melt the butter over medium heat. Add the chopped onion and cook until translucent, about 5 minutes. Stir in the garlic and cook for an additional 1 minute until fragrant.
  3. Add potatoes and broth: Pour in the diced potatoes and broth. Increase the heat to medium-high and bring the mixture to a boil.
  4. Simmer: Once boiling, reduce heat to low and cover the pot. Let the soup simmer for 20-25 minutes, or until the potatoes are very tender when pierced with a fork.
  5. Blend the soup: Using an immersion blender, carefully puree the soup until mostly smooth but still a bit chunky for texture. Alternatively, transfer half the soup to a blender, blend until smooth, and return to the pot. Stir well.
  6. Season and add buttermilk: Stir in the salt, black pepper, smoked paprika (if using), and chopped chives. Remove the pot from heat and slowly whisk in the buttermilk until fully combined. Avoid boiling after adding buttermilk to prevent curdling.
  7. Adjust consistency: If the soup is too thick, add a little extra broth or water to reach your desired consistency. Warm gently if needed—do not boil.
  8. Serve: Ladle the soup into bowls and garnish with additional chopped chives and shredded cheddar cheese if desired.

Tips & Variations

“For a richer flavor, try roasting the potatoes before adding them to the soup. You can also swap buttermilk for plain Greek yogurt for a tangy twist!”

  • Make it vegan: Use vegetable broth and replace butter with olive oil. Swap buttermilk with a mixture of plant-based yogurt and lemon juice.
  • Add protein: Stir in cooked and crumbled bacon or diced ham for a heartier meal.
  • Herbs: Fresh dill or parsley make excellent alternatives to chives.
  • Texture: For extra creaminess, add a splash of heavy cream or coconut milk along with the buttermilk.
  • Spice it up: Add a pinch of cayenne pepper or a drizzle of hot sauce for a subtle kick.

Nutrition Facts

Nutrient Amount per Serving
Calories 220 kcal
Protein 6 g
Fat 7 g
Carbohydrates 32 g
Fiber 4 g
Sodium 640 mg
Calcium 150 mg

Serving Suggestions

This soup pairs wonderfully with a variety of sides and garnishes to make a complete meal. Try serving it with crusty artisan bread or warm garlic knots for dipping.

A fresh green salad with a tangy vinaigrette provides a crisp contrast to the creamy soup. For a more indulgent option, top your bowl with crispy bacon bits and shredded cheese, then add a dollop of sour cream or extra buttermilk for richness.

For a lighter option, keep it simple with just chopped fresh herbs and a squeeze of lemon juice to brighten the flavors. This soup also freezes well, making it a great make-ahead option for busy days.

Conclusion

The Buttermilk Potato Soup recipe is a wonderful way to enjoy a classic comfort dish with a fresh, tangy twist. Its creamy texture combined with the subtle acidity of buttermilk elevates the traditional potato soup to a new level of deliciousness.

This recipe is not only easy to make but also versatile enough to accommodate different dietary needs and flavor preferences. Whether you’re cooking for your family or entertaining guests, this soup will impress with its warmth and heartiness.

We encourage you to experiment with the variations and garnishes suggested to make this soup your own. Don’t forget to check out some of our other comforting recipes like Creamy Tomato Basil Soup, Classic Chicken Noodle Soup, and Hearty Lentil Stew for more delicious ideas.

Happy cooking and enjoy every spoonful!

📖 Recipe Card: Buttermilk Potato Soup

Description: A creamy and tangy potato soup made with buttermilk for a refreshing twist. Perfect for a comforting meal any day.

Prep Time: PT15M
Cook Time: PT30M
Total Time: PT45M

Servings: 4 servings

Ingredients

  • 4 cups peeled and diced potatoes
  • 1 cup chopped onion
  • 2 cloves garlic, minced
  • 4 cups chicken or vegetable broth
  • 1 cup buttermilk
  • 1/2 cup sour cream
  • 2 tablespoons butter
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon smoked paprika
  • 2 tablespoons chopped fresh chives

Instructions

  1. Melt butter in a large pot over medium heat.
  2. Add onions and garlic; sauté until soft.
  3. Add diced potatoes and broth; bring to a boil.
  4. Reduce heat and simmer until potatoes are tender, about 20 minutes.
  5. Mash some potatoes in the pot for creaminess, leaving some chunks.
  6. Stir in buttermilk, sour cream, salt, pepper, and paprika.
  7. Heat through but do not boil.
  8. Serve garnished with chopped chives.

Nutrition: Calories: 220 | Protein: 5g | Fat: 8g | Carbs: 32g

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Marta K

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